They also eat grains such as oats, wheat, barley, and corn, and fruit including elderberries and blackberries.Back to Top NestingNesting FactsClutch Size3???7 eggsNumber of Broods1-3 broodsEgg Length0.7???0.9 in 1.9???2.4 cmEgg Width0.6???0.7 in 1.4???1.8 cmIncubation Period10???14 daysNestling Period8???10 daysEgg DescriptionGreenish, greenish-blue, or bluish spotted with reddish brown.Condition